Box suspension for suction rolls



March 26, 1929. H. R. FARNswoR'n-l BOX SUSPENSION FOR SUCTION ROLLS 5 Sheets-Sheet l Filed Jan. 11, 1928 i f l f f bln/1110011111111,

, NJENTOR. www gw March 2S, 11929. H. R. FARNswoRTH 1,705,660

BOX SUSPENSION FOR SUCTION ROLLS ENO.

hw rz ATTORNEY.

March 26, 1929.

H. R. FARNSWORTH BOX SUSPENSION FOR SUCTION ROLLS Filed Jan. 11, 1928 5 sheets-sheet 3 INVENTOK.

`A'r-rozHei Patented Mar. 2s, i929.

f UNITED STATES PATENT OFFICE.

` HILAND R. FARNSWORTH, OF SANDUSKY,

OH'JO,A ASSIGNOR T0 THE PAPER TEXTILE MACHINERY C0., OF SANDUSKY, OHIO.

BOX SUSPENSIONiFOB SUCTION ROLLS.

Application illed January 11,' 1888. Seriallo. 245,981.

rolls.

The more general practice in the use of these rolls has been and is -to drive them by direct intermeshing gears, one gear being fixed to' the shell at or near one end. In some mills, of recent years, there has been a desire to use a gearless drive, most generally in the form of a drive shaft coupled directly to one end of the shell and beingdriven in well known manner from any suitable source of power. Themain object of the present invention is to provide a box.' suspension equally ada ted for use with either type of roll-gear driven or gearless driven.

In order to more clearly disclose the'construction,- operation, and use of the invention, reference should be had to the accompanying drawings forming part of the resent application. Throughout the severa figures of the drawings like reference characlters designate the same parts in the several l views.

In the drawings Fig. 1 is a central, vertical, longitudinal cross section of the invention.

Fig. 2-is a like view of the box unit, removed from vthe shell.

Fig. 3 is a left hand end View of Fig. 1, on line 3--3, looking in direction of the arrows and with bearing box and cradle omitted;

Fig. 4 is a verticalcross section on line 4 4 of Fig. 1, looking in the vdirection of the arrows.

Fig. 5 is a cross section on line 5-5 of Fig. 1, looking in the direction of thear'- rows,

Fig. 6 is a similar cross section on line 6-6 of Fig. 1, and y Fig. 7 is a fragmentary cross sectional view on line 7-7 of Fig. 1, with suction box removed.

In the drawings, the openings of the suction box have been shown as directed vertically upward whereas, as a matter of fact they are, in practice directed radially, at a considerable angle to the vertical. This of course, does not alter the construction and actually any position around the entire circumference s within the limits of possibilities.

Iv will first deal with a construction of roll in which the drive is direct-gearless driven. I have devised a particular con-y struction of shell for this (purpose. In this construction the perforate end a trunnion head 2 provided with a jourshell 1 of usual and well known construction carries at one nal 3 extending outwardly therefrom and of considerabl said head.

friction bearing carried by a suitable standard at that end of the roll. In order to drive the roll direct from the power element a suitable stub shaft 4 is keyed or otherwise fixed to the journal 3 and is driven from the power reduced diameter relatively to; he journal 3 is seated in an antid element by any well known transmission shaft 5, through a flexible coupling 6, the fiexible coupling being used for a purpose to be later disclosed. Preferably, the trunnion head 2 is ofsuch diameter as to 'ust snugly fit' within the correspondingV shel end and is provided with an attachin flange 2 overl ing the end of the shell an through which astening bolts are passed and threaded into the shell end.

At the opposite end, the shell is supported on roller bearin s 7 journaled in a cradle or yoke 8 whic is suitably housed in a standard 9.

The trunnion head 2 is cored out centrally and properly machined to provide an inner wall parallel with the wall which fits within and receives the end of the shell and an adjoining annular radial face, the two forming an L in cross section. The inner diameter of this cored-out space is, of course, considerably less than the inner diameter of the shell. Within the chamber thus formed and seated on such inner wall, is an annular bearing carrier 10 substantially L shaped in radial cross section. When in operative position, as in Fig. 1, the radially kdirected portion of the carrier is the innermost portion, the other member being directed toward the outer end of the shell. On reference to Fig. lit will be seen that the radial thickness of this circumferential wall of the rin is considerably less than the radial widt -of -the inner annular face of the cored out or chambered section of the head 2. In order to hold the carrier in its roper operative position, hook bolts 11 oi) L or other suitable construction are provided. These bolts areslipped through elongated slots or eyes 12 suitably formed through the head, so that y and the a .the shanks of the bolts lie in grooves or channels in the longitudinal wall of the L sha ed bearin carrier seat, the short arms or' ranches o the bolts overlying and engaging the radial face of the carrier. Nuts turned upon the outer ends of the bolts draw the carrier snugly into position. Seated in the carrier on the inner face of the longitudinal Wall is an anti-friction bearingunit comprising the bearin s themselves with inner and outer races. he outer race is of very slightly greater width than that of the longitudinal wall of the carrier in which it Vis supported. Thus when the bolts 11 are drawn up and the carrier in operative position, the ring edge will not quite engage the annular face of the head 2,

the bearing will be pinched or become bound against the annular face of the head, so that the head 2, carrier 10, and' outer bearing race will travel as a unit. Thus, it will be ynoticed that the outer race of the bearing is l held against longitudinal movement in one direction by the radial flange of the bearing carrier, as will be clear. Similar movement' in the opposite direction is prevented by the headed screws 13 which are threaded into the edge of the block in such manner that their heads overlap and engage the adjacent edge of the inner race, as will be clear on reference to Fig. 7. In order to prevent possible rotation of the inner race, a small plate 14 in the -form of a washer is used. This plate is fitted on the shank or stem of one of the screws and is adapted to be seated in aligned notches, grooves or recesses in the adjacent radial -faces of block 12 and the inner race. When so seated vand held by the head of its, screw, the washer locks the -block` and inner race togetherl against relative rotation, as will be clear on reference to Fig. 7. The bearing carrier, on the other hand, travels with the head 2. As previously set forth, its clamping action compels the outer race to travel with the head. To avoid undue wear between the travelling carrier and the relatively stationary inner race, the radial branch of the carrier is suiliciently recessed or cut away .adjacent the corresponding radial wall of the inner race to leave a very slight space therebetween. Thus, the outer race travels freely with the head 2 while the inner race remains stationary or lixed. The details of construction of these several elements may jacent ed e'of the outer race of' which are bolted, riveted or otherwise suitably secured to the under surfaces of the inner ends of the treads of a pair of supporting rails 16. The opposite ends of these rails are made fast to the lower headsection 17, at the opposite end-of the shell. They may be bolted into the lateral webs either direct or by being provided with small extension plates 18 which are bolted or otherwise rigidly secured to such members, as indicated in Fig. 3.

Lower section 17, with its corresponding upper section 19 constitute a complete head. Preferably these head sections have coincident lateral webs which have a mortise and tennon fit or assembly, as in Fig. 3 andare held in such assembled relation by nut and bolt or other suitable connections. When so assembled, in the preferred construction, the complete head is of substantially circular outline. This completed head is held in operative position in the apparatus by an enclosing two part collar the lower part of which may be forme-d as part of the standard 12, the upper part being clamped thereto in any usual and well known manner. It is not thought necessary to` show' the clamping means of the collar or the details of its twopart construction, as it would add nothing to a full understanding of the invention, and is well understood.

From the above, it will be evident that the block 12, lower headsection 17 and connecting rails 16 may be bodily withdrawn as a unit from the shell. It is only necessary to disconnect the two arts of the collar and withdraw the head, ralls and block together.

As a matter of convenience, the top section 19 isirst disconnected and removed. It is assumed, of course, that the suction box is not yetin position and that the piping at that end has been previousl removed.

The rails 16 are primarily for the placing and removal of a suction box 20 having the usual connection to a vacuum pump as in well known practice and being open to a limited arc of the shell, all as is well under- Stood. To facilitate travel of the box on the rails, small wheels or rollers 21 are provided, journalled on suitable shafts or axles 22 carried by the box. Preferably, as shown in Fig. 1, there are two airs of such rollers-one near each end o the box. This is particularly advisable, of course, with lthe larger sizes and longer boxes. On the innersuitable manner. On reference to Fi. 1, it4

will be seen that the bracket 23 is ormed with an extension 24 which, when the box is in operative position, projects vwithin block 12.- The free end of thiscasting is formed as a pair of parallel ears or plates 25 between which is pivotully mounted the upper end of a short link lever 26. The lower end of this lever is similarly mounted in a cross head 27 to which are 'connected the innei ends of a pair of rods 28, the o site ends of which are slidably mounte in lugs 29 carried by the under face ofthe box. For adjustment purposes, the ends of these rods are threaded. Nuts 30 threaded thereon form the outer ends, by engagement with the outer faces of the lu limit the inward longitudinal travel of t e rods. Travel in the opposite direction is yieldingly limited by a put under :suchl compression as `able spring 'acting directly thereon.

s ring` 31 disposed about each rod andv coniiied between the inner wall of the respective lug and a nut 32 on the rod. By 'moving the nut 32 toward the llu the sprin r pressure will be corresponding' increase And, as the pressureis increase the longitudinal movement of the corresponding rod 28, in the outward or inoperative direction will be correspondin ly resisted yor decreased. Obviously, with the springs 31 under compression, as the nuts 30 are 4loosened (moved to the respondingly movedv toward the right- Figs 1 and 2. Likewise, by tightening the nuts 30 the' rods 28 will be drawn in the Aopposite direction regardless ofthe spring pressure, until, of course, the spring has been to become ino erative as aspring.

n reference to Figs. 1 and 2 it will be evident that movement of rods 28 toward the right will extend the link26 or move it to a position more nearly at right angles or perpendicular to said rods, while movement in the opposite directionwill act reversely. Likewise, it is obvious that if the rods 28 are confined to such longitudinal movement, the link 26 as it moves toward the 4right t is equally clear that as'tli'e link 26 moves in the opposite direction, the box will approach the rods. This applies, of course, only to that particular end of the box, as there are no similar connections or lever action at the opposite end. Instead, such opposite end,-

as will later appear, is yieldingly maintained in operative sition by an ad'ustere as at the end carrying link 26 adjustmenteffecting compression of the spring, tends to permit similar corresponding movement of that end of the box, as,v will later appear.

O n reference to 1 and 7 it will -be noticed that the head at the left' comprising upper and lower sections 17 and 19,- respecleft) the rods 28 will be corforce the tively, is entirely independent of and separate`from the shell. It is so positioned and mounted as to receive and' support one end of the suction box-preferably, that endl to which the suction'connections are attached or with which they cooperate. Thus, when l the roll is completely assembled and the box lin position it will be supported, at its opposite ends, respectively, by the block 12 and heads 17 and 19. On reference to Fig. 3 it will be seen that the two head sections 17 sembled head. The cross web is provided with a central notch-for ready insertion of* the shank of the rod or bolt 36, hereinafter described. Along the innerwalls orfaces of the parallel branches of this U are formed or secured suitable guides orways 35 adapted to slidably receive and ide one end of the suction box 20. Throug the connecting web 34 is slidably mounted a yieldingly adjustable supporting element, prefv erably, in the form o a rod or bolt 36. In the construction shown which is that preferred, the upper end of the element is eaded and adapted to be removably slipped into or inserted in a correspondingly formed groove, slot, or way made by providing the upper parts ofthe adjacent faces yo lugs 29 with o itely directed inwardl extending para el ribs or shoulders 3 the paced suiciently from the adjacent wall of y e suction box to accommodate the thickness of the head 38 of the element 36, the distancebetween the upper ends of the inner faces of the lugs being ample. to allow the full width of `said head in su relative sliding movement. The lower'l end of said element extends through4 and beyond the web 34, hasfree sliding movement relatively thereto, and, preferably, -is threaded to receivelan adjusting nut 39 which. in adjustment, is adapted to engage the adjacent .faceof the web 34. About the element36 is disposed a yielding member, preferably, a coil spring 40 or similar suitable means capable of compression or ex ansion and of exerting its force upon theta jacent box end to maintain said box end in operative position, as in Figs. 1, 3, and 4. When in position the ends of the spring engage, respectively, the cross web- 34 and the ribs 37. By the nut 39, the force of the ring 40 'ma be re lated asdesired, as wi be well un e shown in the drawin washersor the like 41 are interposed tween the opposite ends of the s ring and the web 34 and ribs 37, respective y, to provide adequate and accurate seating of the sp1-1n ends. While one form of a sliding and etachable connection has been shown Y between element 36 and the suction box 20, it

. tion, is that shown in the top of the box.

is clear that various other constructions may be resorted to-for instance T-headed or L-headed bolts with corresponding slots, may be used. Likewise, though a detachable connection is disclosed, a fixed connection may be 'used and of course, will operate to move the box in either direction, in the same manner. e Y

The connection between the element 36 and suction box 20 inthe referred construcvig. 3. That is a simple, efficient and economical construction. It will be seen that the ribs 37 will be positively engaged by the head 38 as the head is drawn down by the nut 39. Continued movement after such engagement, necessarily carries the box along with the rod 36 and away from the shell. Consequently, adjustment by unit 39 may be used to limit the movement of the box toward the shell. Limitation of ymovement in the opposite directiondepends upon resistance of thel yielding element 40. The movement will wntinue until the resistance of element 40 counteracts or overcomes the force acting against it, or until the yielding element ceases to yield and acts as a positive stop--when a coil sprin is used, this point would be reached w en the various coilsy contact one with another, forming, practically a continuous metal cylinder about element 36 and extending from Washer to washer. y

The suction box 20 is provided with any usual and well known detachable piping connection at one end and carries parallel spaced packing channels adapted to receive .or seat packing strips which, when the box is in operative position engage the inner face or wall of the shell and, together with the adjustable deckle heads, hereinafter more particularly disclosed, serve to accurately delimit the area of shell through which the vacuum within the box becomes effective, as well be readily understood. The two channels, with their packing strips thus disposed provide a shallow substantially U- shaped trough which communicates through one or more openings with the interior ofv the box 20-see Figs. 2 and 4. Within the trough thus formed are slidably mounted suitable deckles or heads. Thus, when the box is assembled in the shell as in Fig. 1 the packing strips, deckles, shell arc and box cooperate to form a com lete chamber closed except from the atmosp ere except through the shell arc perforations and open to the vacuum means only through the openings in The length of this chamber is varied to accord with the width of sheet which is to be made over the roll. For this urpose it is necessary to move one or the ot er, or both of the deckles longitudinall of the box. For this purpose, threadyed deckle rods are rovided, one for each deckle and both opera le from the same end of the roll--preferably the suction end, as shown in Fig. 1. In the construction illustrated and which is the preferred form of the apparatus, one rod is tubular and receives the other rod. The inner rod is extended to and threaded through the innermost deckle and, preferably, provided with a suitable stop at lts' extreme end to prevent the deckle being moved completely beyond the ends of the packing. Its movement beyond a predetermined point in the opposite direction is stopped or prevented by the unthreaded portion of the deckle rod. At apoint adjacent the inner vend of the tubular deckle rod the other or inner deckle rod is provided with a second stop collar adapted to engage the end of the tubular rod and prevent outward movement of such inner rod relatively to thetubular rod, movement in the opposite direction being prevented by engagement of the operating hand wheel witha collar, sleeve, or like element formed on the outer end of the tubular rod. Movement of the outer rod in either longitudinal direction is prevented by two spaced collars engaging o posite faces of a small flange or other sulta le ooo rating element or means either onthe projecting end of the suction box or on some other relatively stationary and rigid art of the machinery or apparatus. By t e above construction, it w11l be readily seen that the. effective length of the trough-shaped chamber may be quickly and accurately adjusted to anyone of a wide range of varying widths of sheet. An important feature of the deckle adjustment ere disclosed is that the operation may be carried out at any and all times, regardlessof whether or not the roll is running. For 110 this purpose, the end of the shell op ite head' 2--the suction end usually--is le entirely ov n so that there is am le space be tween t e suction box end ands ell end during the entire rotation of the shell, as will 115 ap ear on reference to Fig. 1.

n reference to Figs. 1 and 2 it will be clear that the distance from the top of ears 24 to the bottom of face of yoke 27 when the link 26 is fully extended and substantially 120 at right angles to the yoke 27 is substantially equal to the vertical distancebetween the opposite inner walls of the block 12. Consequently, in assembling the box unit in operative position within the shell 1t is ad- 125 visable to partially contract said elements to reduce this distance so that the yoke and ears may be slipped easily into lace within the block. To more readily acilitate assembling, the free or innermost edge of the i sponding radial face of block-12'there will be no damaging shock but, instead, the yoke and its connected parts will simply' ride u and onto` the inner lower face of the bloc 12, as will be evident. An antifriction bearin or other element could be substituted. Wien it is desired to assemble theroll, the bearing is first seated in its carrier, the carrier is then seated on block 12, the headed bolts 13 are then turned up, washer 14 bein properly seated, and block 12 is then secure" to the ends of the rails 16. The opposite ends of the rails are secured to the lower head section 17, as previously set forth, thus makin a single structural unit-the rail unit. t is assumed that the head 2 has been previously secured in the corresponding end 'of the shell and that the shell, thus assembled, has been mounted, at its opposite ends, in the bearings provided. It is understood, of course, that for assembly. purposes, the upper or removable collar section-fthe clamping section-of thev collar which encloses and holds the two art head 17-19, is omitted during the rsty steps of the assembly.- The box 20, with attached parts is now travelled along the rails 16 from the head section 17 toward block 12 until the ears 24 and yoke 27 `extend well into or through said block, as in Fig. 1. It will be noticed that link 26 is in its. extended position-relatively to Fig. 2, so that the box end and yoke 27 are, so that the packing strips would contact with the shell wall, if the roll were completely assembled. When the .box has reached the limit of its travel toward block 12 the rod 36 is slippedv into position with spring 40 in extended condition. Before the box is traveledalong rails toward block 12,

it is, of course, necessary to compresss rin 31 by the units 30 to draw the yoke 27) ciently close to the ears 24 to ermit the two to pass into the opening in block 12. And, at the op osite end, the box must be drawn toward t e web 34 by bolt 36 and nut 39 against the force of s ring 40 until that end of the box will not Eind'against the inner shell surface as combined box and rail units are lnserted as one element.- Such being the case,'the next step is to insert the locking bolts 11 through the slots 12 solthat their Shanks or stems will lie in the grooves in the longitudinal annular wall in head 2, with their locking ends turned tol inoperative position and completely out of the path of the bearing carrier 10 during the inserting movement of the rails and attached parts.

Now invert the combined unit, so that the rails 16 will lie above the box and usethe packing strips as skids to ride on the lower.

` movement of the relatively, farther apartv and ready to be connecte inner face of the shell and slide inwardly until the bearingcarrier is accurately seated in head 2. When so seated, turn the locking bolts to operative position and tighten, to

The parts are clamp theV carrier in position.

that when the so proportioned, of course,

box unit and rail unit are' thus combined and slid inwardly of the shell the bearing carrier and its connected arts will quckl and accurately centre an seat' in the hea 2. After the parts have been thus assembled, the combined unit may be rotated to bring the box above the rails again, as in Fig. 1. When the combined unit has been turned back to this position, the nuts 30 and 39 are operated to move the box against the counteracting force of theyielding elements', until there is the lightest practicable operable contact between the box packings and inner shell face. At this pointthe adjustment may be definitely fixed by suitable co.:v

operatin lock nuts.' 'On reference to Figs. 1-3 it will be noticed that thenuts 30 and 39 provide ellicient positive to outward mined point, thus definite preventi, any undue binding between she and box, ue to greater'pressure on outside of box. On the other hand, the springs do permit inward storps ox be on a predeter-l movement away from shell to accommodate passage of small foreign matter between shell and packing in o eration. The next step is to slip head the box end, fasten securely clam standard by t e removable upper colla-r section. The roll is now com letely assembled to-any suitable section 19 into place on it to section 17 and then source of vacuum. v Referring to Figt it will be noticed that when the roll has en completely assembled vas above set -forth and is readyfor operation, the rolls 21 of boxv 2O donot actually rest on the rails 16 but, instead, are spaced somewhat upwardly therefrom. l

Assume, now that it is intended to remove Athe box'unit only. First, remove the bolt 36 with itsl spring 40 to permit that end of the box to drop awa from the shell and the corresponding rol portin rails 16. Then retract the opposite vend o the box until the rollers at that end are similarl seated. Now, remove the clamp section of t e collar and the head section 19 and'` roll out the box unit complete, travellingthe rollers 21 along the supporting railsl 16. Itmay then be repaired, parts altered or renewed or any work done on it that may be desired and again returned to its operative position within the shell.

Again, assume that repairs to the block 12, the bearing carrier 10, rails 16 or other.

parts entering into the structure of the combined units but not in the box unit, become ers 21 to seat on the sup-- msl the assembled head yto the lotI v necessary.

They must be removed for repair, etc. To accomplish this it is only necessary to invert the box and rails and draw out the combined units, on the box packing as skids, reversing the operation of inserting. Necessarily, as soon as the box has been inverted, the locking vbolts are loosened and then turned to clear the bearing carrier so that it may have unobstructed travel with the block 12-, etc. Thus,- it is possible to easily and quickly remove either the box unit, alone, or the entire operable mechanism from th'e inside of the shell, leaving only the shell 1 and trunion head 2. These, in turn, may be readily separated by simple unbolting s o that either of them may be repaired, renewed, altered, replaced, etc.

It is necessary, of course, to adequately lubricate all contacting moving parts. Thus the contacting surfaces of block 12, carrier 10 and the bearin and bearing races must be lubricated. is lubricant, even with suitable drainage passages through head 2 will, nevertheless, tend to accumulate in the chambered part of-head 2 and to be picked up by rotation of the roll and Work through the block 12 to the inside ofthe shell and thence pass to the wire. The damage dond by such leakage is well understood. To avoid this a dam or Wall is provided in the form of a plate 50. It is in the form of a cap extending completely over the end of the block'so that no lubricant can get into the openings through the block. Its ed'e is secured to the corresponding edge o? the block. by the. headed screws 13, as will be clear on reference to Fig. 7. In the particular construction illustrated, this plate is shown as dished or concavo-convex With a flat peripheral attaching flange. This is due to the fact that the ears 24 extend slightly beyond the block 12 into the cored out portion of head 2.A In cases in which the ears lie entirely Within the block or, at least, do not project be ond, the plate, obviously, may be llat. In act, if desired, in such cases, the block 12 may be formed inte ally with the plate, in any suitable and wel known manner.

It is hardly necessaryv to state that the suction box may be set arid secured at any desired angle, circumferentially of the shell by simply turning the head 17-19 and connected parts and then clamping them in adj usted position by the collar, as Will be read- 1ly understood.

' Generally speaking, the invention comprises a suction box suspension means whereby the box may be moved laterally through mechanism controllable from one end of the roll or a point in the neighborhood of one end, the term lateral meaning in a direction approximately at right angles to the length or greatest dimension of the box and, therefore, when the box is in operative position within the shell, in a generally radial direction relatively to'the shell, all adjustments of the controlling mechanism being at or close to one end of the shell and very readily accessible. Together with this main feature of the invention are combined and associated means for limiting such lateral movement in one direction, and means for yieldingly resisting movement in the opposite direction. A further feature of the invention comprises a readily removable unitary box construct-ion land box actuating means, associated with a unitary construction adapted' to support the box ends and` provide guiding and supporting rails for the insertion of the box.

An important consideration in the present invention is the simplicity of the construction whereby the distant or innermost box end is operable and its operation made adjustable from and at the near end, access to such inner end for corresponding adjustments being completely barred by the head 2.

lIt will be understood that one form only of the invention has been disclosed in the drawings and that such showing is to be considered illustrative merely and in no degree limiting applicant to the construction so illustrated. Many changes may be made in the construction arrangement and disposition of the several parts of the invention and in their various details within the scope and intent of the appended claims without departing from the field of the invention and it is meant to include allsuch within this application. v

Having described my invention, what I l 1. In combination .with a suction box for suct1on rolls, means for moving said box protect by Letters Patent `laterally and means for operatingthe same from a point remote therefrom.

2. In combination with a suction box for suction rolls, means carried by said box and adapted to move said box laterally, and means for operating the same from a point remote therefrom.

3. In combination with a suction box for suction rolls, means carried by the opposite ends of said box and adapted to actuate said box laterally, and means in the neighborhood of one end of said box for operating all said actuating means.

4. In combination with a suction box for suction rolls means carried by said box and adapted to move'said box laterally, means for operating the same from a point remote therefrom and means remote from said actuating means for regulating its operation.

5. A suction roll comprising a perfor-ate shell, a suction box extending longitudinally within said shell from end to end, means carried by one end of said box and adapted to actuate the same laterally, and means for separate means adjacent one end of said box ed to operate said actuati l adapted to operate, the same,

for operating both said actuating means.

7. A suction roll comprising a perforate. shell, a suction box extending longitudinally within said shell from end to end, means carried by the opposite ends of said box and adapted to actuate said box laterally, separateV means adjacent 'one end of said box for operating both said actuating means, and

means for adjusting said operatin means.

8. A suction roll comprising a she l having one closed end, a suction box extending longltudinally within said shell from end to end, means carried cent the closed end of the shell and adapted to'actuate the box laterally, operating means therefore connected thereto and extending to a point adjacent the opposite end of said suction box, and means l or actuating the opposite end ofsaid jbox laterally.

9. A suction roll comprisin a shell, a suction box extending longitu lnally within said shell from end to end, means carried by one end of the suction box. and adapted to actuate that end laterally' and spring actuated rods connected to and adaptmeans and extending approximately to t e opposite end of the box. f

10. A suction roll comprising a shell, a suction box extending longitudinally within said shell from end to end, a link carried by one end of said box and adapted to actuate said box laterally, a yoke and rods connected to said link, said rods being extended to a point adjacent the opposite end of said box, yielding means carri by said rods and and means for adjusting said yielding means.

a shell, a

11. A suction roll comprising suction box extending longitudinally within -said shell from end to end, means carried by one end of said box for actuating said box laterall a link carried by the opposite end of said x, and adapted to actuate said box laterally, a yokeI connected to said link rods connected to said yoke and extended to a point adjacent the opposite end of said box, yielding means for operating said rods and yoke, and means for adjusting said yielding means.

. 12. A suction box unit for use in suction rolls com rising, a suction box, a laterally acting lin carried by one end of said box a palr of rods extending longitudinally o said box and silpported at the opposite end of said box, .means for operating said rods connections between said rods and link, an

a point remote by the suction box end adjameans for adjusting said rod operating means.

13. In ,combination 1n a suctlon roll a revoluble shell, a block mounted in said shell and stationary relatively thereto, a vsuction box mounted at one end 1n said block, means carried by said suction box end and adapted to actuate the same laterally, operating means connected thereto and extending to therefrom and adjacent the opposite end of said'box, and means/for adjustin said operating means. y

14. n combination in a-.suction roll, a revoluble shell, a pair of guide rails therein, a bottom head section' carried at one end of said rails and a block carried at the opposite end, a suction box adapted to be travelled along said rails to operative position,

a link carried by one end of said box and r adapted to actuate the same laterally, a yoke ada ted to rest in sliding contact on said bloc connections between said yoke and said link, rods connected to saidI yoke and extending toa point adjacent the op'posite end of said/box, and means adjacent said opposite end for operating said rods.

15. In combination in a suction roll, a revolubley shell, suction box guide rails therein, ahead section connected to said rails at one end, a block secured to said rails at the o posite end, a bearing carried by said b ook, a bearing carrier engagin and lartially enclosin said bearin an said head, an means for detachably locking said carrier and associated parts to said head. j 16. In combination in a .suction roll, a revoluble shell, suction box guide rails therein, a head section connected to said rails at one end, ablock secured to said rails at they opposite end, a bearing carried b said block, a bearing carrier' engagin and partially enclosing said vbearin an vseated in said head and means operab e from the outside of said head for detachably locking said carrier and associated parts to sai head.

17. In combination in a suctionv roll, Ily

ing said bearing carrier and associated parts g to said head.

18. In combination in a suction' roll, a revoluble shell, 'a trunnion head secured to and closin journal o considerably reduced diameter relativel to the diameter of the shell, said head belng provided with an annular seat,

one .end and provided with ay seate in one end and provided. with a a bearing carrier adapted to be seated thereon, a bearing seated within said carrier, a block seated on said bearing and connected thereto, and.means operable entirely from outside said roll for detachably connecting said bearing carrier and associated parts to said head'.

19. In combination in a suction roll, a revoluble shell, a trunnion head secured to and closing one en'd and provided with a journal of considerably reduced diameter 4relatively to the diameter of the shell, said head being provided with an annular seat, a bearing carrier adapted to be seated thereon, a bearing seated within said carrier, a block seated on said bearing and connected thereto, means for detachably connecting said bearing carrier and associated parts to said head, and a lower head section connected to the opposite ends of said guide rails.

20. In combination in a suction roll, a

,revoluble shell, a head adapted to close one end and a chamber formed in its inner face, an anti-friction bearing mounted in said chamber, a suction box supporting block mounted on said bearing, and means for preventing passage of a lubricant from said chamber through said block.

21. A suction roll comprisin a shell, a suc- `tion box extending longitudinally Within said shell from end to end, means carried by the suction box adjacent .one end of the shell and adapted to actuate the box laterally, operating means therefor connected thereto and extending to a point adjacent the opposite end of said suction box, and means for actuating the opposite end of sald box laterally.

22. A suction roll comprising a shell, a suction box extending longitudinally within said shell from end to end, flexible means carried by the suction box adjacent one end of the shell and adapted to actuate the box laterally, operating means therefor connected thereto and extendingto a point adjacent the opposite end of said suction box, and means for actuating the opposite end of said box laterally.

23. A suction roll comprising a shell, a suction box extending longitudinall within said shell from end to end, lexib e` means pivotally carried by the suction box adjacent one end of the shell and adapted to actuate the box laterally, operating means therefor connected thereto and extending to a point adjacent the opposite end of said suction box, and means for actuating the opposite end of said box laterally.

24. A suction roll comprising a shell, a suction box extending longitudinally within said shell from end to end, a lever pivotally connected to said box and adapted to actuate the box laterally, operating means for movable longitudinally of said box, a laterally acting device connected to said box and to said longitudinally movable member, means for operating said longitudinally movable member, and means for adjusting said operating means.

26. In combination in a suction roll, a revoluble shell, suction box guide rails removably mounted therein, a block carried by said rails, a bearing carrier carried by and removable with said block and a bearing carried by said carrier.

27. In combination in a suction roll, a revoluble shell, suction box guide rails removabl mounted therein, a block carried by said rais, a bearing carrier carried by and removable with said block, a suction box supported in said block, and a bearing carried y said carrier.

28. In combination in a suction roll, a revoluble shell, suction lbox guide rails removably mounted therein, a block carried by said rails, a bearing carriericarried by and removable with said block, a suction box suplported in said block and movable laterally t ereof, and a bearing carried by said carrier.

29. In combination in a suction roll, a revoluble shell, suction box guide rails removably mounted therein, a block carried-by said ralls, a bearing carrier carried by and removable with said block, a suction box su ported in said block and movable lateral y thereof, means for moving said box laterally, and a bearin carried by said carrier.

30. In com inationin a suction roll, a revoluble shell, suction box guide rails removably mounted therein, a block carried by said rails, a bearing carrier carried by and removable with said block, a suction box su ported in said block and movable lateral y thereof, means engaging said block and said box to move said box laterally, and a bearing carried by said carrier.

31. In a combination with a suction box, means exterior to said suction box for movingsaid box bodily laterally and means for operating the same, and means for actuating said operating means from a point remote therefrom.

32. In combination with a suction box, means exterior to said suction box for moving said box laterally, said means acting against the suction box and against a part separate and independent of said box, and means for operating the moving means from a point remote therefrom.

33. In combination with a suction box for the same from a point remote there rom.

34. In combination with a suction box for suction rolls, means carried by said suctlon box for moving an end of said box laterally,

and means for operating the same from a polnt remote therefrom. v

35. In combination with a suction box for suction rolls, means carried by one end of l0 said suction box for moving an end of said box laterally, and means for operating the same from a point remote therefrom.

Signed at Sandusky, county of Erie, State of Ohio, this 9th day of J annary, 1928.

HILAND R. FARNSWORTH. 

